单词：radiactive phosphorus
单词：radiactive phosphorus 相关文章
Many people especially the aged hold the idea that we should stick to the traditons of our country. Otherwise they think we will lose our distinctive Chinese character. In their eys, we should be pround of the great traditions left by our ancesters,
疯狂英语易背作文
A: What do you base our grades on? B: All of your coursework is important, including everything from attendance and homework to all of your test results for the semester. A: Does the final count the most? B: All of it is important; please just do you
英语情景对话-大学生活
A: I was wondering how you are going to calculate our final grades. B: Grades are based on many things: homework, attendance, quizzes, mid-term, and final. A: What counts the most? B: Actually I look at all of it and let's not forget class participat
英语情景对话-大学生活
A: How do you decide what grade we get? B: I look at many things: attendance, quizzes, and tests. A: What is the most important factor? B: Obviously I look for improvement as we go along, but I would like you to do your best from the beginning. A: Ho
英语情景对话-大学生活
racket n.球拍 radiant a.绚丽的；容光焕发的 radiate vt.辐射，散发 vi.发射(光、热等)；散发 radioactive a.放射性的 radius n.半径 random n.随意，随机 a.随意的，随机
大学英语六级词汇
Today's Traditions of HalloweenThe American tradition of trick-or-treating probably dates back to the early All Souls' Day parades in England. During the festivities, poor citizens would beg for food and families would give them pastries called soul
英美文化
The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松（松树）制成, 在液体的石蜡
英国学生科学读本
Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢
2018年NPR美国国家公共电台2月
THIS IS AMERICA -December 23, 2002: Christmas Traditions and Music By Shelley Gollust (THEME) ANNCR: Millions of Americans will celebrate Christmas on December Twenty-Fifth. It is the most widely-cele
This is America
THIS IS AMERICA - December 30, 2002: New Year's Traditions By Jerilyn Watson (THEME) VOICE ONE: On December thirty-first, Americans and other people around the world welcome the New Year. I’m Mary T
This is America
This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R
Scientific American(十二)月
This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that
VOA慢速英语2008年（八）月
By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce
2007年VOA标准英语（七月）
The Russian Supreme Court on Tuesday hears an appeal of 12 Muslims from the republic of Tatarstan imprisoned on charges of attempting to overthrow the local government. Russian human rights activists say the case represents an assault on freedom of r
VOA标准英语2010年(五)月
MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w
2018年NPR美国国家公共电台7月
The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor
万物简史
LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom
英语新闻
SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has
英语新闻
I don't mean to start an argument Yeah I'm just trying to spark a conversation Like a love can make a tyrant on ya Time to open up the floodgate Radicate the sanity My unoriginal opinion of me So let me shout it from the hallway Oh love is love is lo
音乐咖啡厅
Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche
英语听力文摘 English Digest